MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 38b152d95fa2fec41b84833f70030ccce86c2295bcef323c7ee804591f0354ee. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry



njrat


Vendor detections: 15


Intelligence 15 IOCs 4 YARA 13 File information Comments

SHA256 hash: 38b152d95fa2fec41b84833f70030ccce86c2295bcef323c7ee804591f0354ee
SHA3-384 hash: 3a750ef1704c4e030eed841d0edca3a99b71d8b16c69680dd2f43b0dfe9c96bc8b21e8e8b545485a6d95a6f85548108d
SHA1 hash: 8d68d14889d771405d5d55efeb6e4e4ef0d6a2ad
MD5 hash: 4cdd9265668a6c5dcc8845deedf79802
humanhash: sierra-mockingbird-jupiter-july
File name:4cdd9265668a6c5dcc8845deedf79802.exe
Download: download sample
Signature njrat
File size:97'792 bytes
First seen:2022-08-07 11:00:37 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 1536:BUKAVR4QVkwjkjGFJMwvwdzBpvugjWGqUAcLSJrkhgfgd9eF:An4TwXFJXvY7ugiKUg
TLSH T192A3D0ACF6E64565C1BD59B605B1520003B0E043D633E76E1DCBA4E62F6B3D84BC9AF1
TrID 69.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.9% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 12f1c0c4c4d061a0 (1 x njrat)
Reporter abuse_ch
Tags:exe NjRAT RAT


Avatar
abuse_ch
njrat C2:
3.69.115.178:12872

Indicators Of Compromise (IOCs)


Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
3.69.115.178:12872 https://threatfox.abuse.ch/ioc/841782/
3.66.38.117:12872 https://threatfox.abuse.ch/ioc/841783/
3.68.171.119:12872 https://threatfox.abuse.ch/ioc/841784/
18.197.239.109:12872 https://threatfox.abuse.ch/ioc/841785/

Intelligence


File Origin
# of uploads :
1
# of downloads :
478
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
4cdd9265668a6c5dcc8845deedf79802.exe
Verdict:
Malicious activity
Analysis date:
2022-08-07 11:03:47 UTC
Tags:
trojan rat njrat bladabindi

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a file
Creating a file in the %AppData% directory
Creating a process from a recently created file
Creating a process with a hidden window
Creating a window
Searching for synchronization primitives
DNS request
Using the Windows Management Instrumentation requests
Sending a custom TCP request
Creating a file in the mass storage device
Unauthorized injection to a recently created process
Launching the process to change the firewall settings
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm bladabindi cmd.exe fingerprint greyware keylogger njrat packed rat stealer windows winnti
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to log keystrokes (.Net Source)
Detected njRat
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Modifies the windows firewall
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Protects its processes via BreakOnTermination flag
Snort IDS alert for network traffic
Uses netsh to modify the Windows network and firewall settings
Yara detected Njrat
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Status:
Malicious
First seen:
2022-08-04 20:25:52 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
23 of 26 (88.46%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
Result
Malware family:
Score:
  10/10
Tags:
family:njrat botnet:mybot evasion trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
Modifies Windows Firewall
njRAT/Bladabindi
Malware Config
C2 Extraction:
6.tcp.eu.ngrok.io:12872
Unpacked files
SH256 hash:
38b152d95fa2fec41b84833f70030ccce86c2295bcef323c7ee804591f0354ee
MD5 hash:
4cdd9265668a6c5dcc8845deedf79802
SHA1 hash:
8d68d14889d771405d5d55efeb6e4e4ef0d6a2ad
Detections:
win_njrat_g1 win_njrat_w1
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures


MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:CN_disclosed_20180208_c
Author:Florian Roth
Description:Detects malware from disclosed CN malware set
Reference:https://twitter.com/cyberintproject/status/961714165550342146
Rule name:CN_disclosed_20180208_c_RID2E71
Author:Florian Roth
Description:Detects malware from disclosed CN malware set
Reference:https://twitter.com/cyberintproject/status/961714165550342146
Rule name:malware_Njrat_strings
Author:JPCERT/CC Incident Response Group
Description:detect njRAT in memory
Rule name:MALWARE_Win_NjRAT
Author:ditekSHen
Description:Detects NjRAT / Bladabindi
Rule name:MAL_njrat
Author:SECUINFRA Falcon Team
Rule name:MAL_Winnti_Sample_May18_1
Author:Florian Roth
Description:Detects malware sample from Burning Umbrella report - Generic Winnti Rule
Reference:https://401trg.pw/burning-umbrella/
Rule name:MAL_Winnti_Sample_May18_1_RID3003
Author:Florian Roth
Description:Detects malware sample from Burning Umbrella report - Generic Winnti Rule
Reference:https://401trg.pw/burning-umbrella/
Rule name:pe_imphash
Rule name:Skystars_LightDefender_Njrat_Rule
Author:Skystars LightDefender
Description:Detects Njrat
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_netsh_firewall_command
Author:SECUINFRA Falcon Team
Rule name:SUSP_Ngrok_URL
Author:SECUINFRA Falcon Team
Description:Detects a PE file that contains an ngrok.io URL. This can be used as C2 channel
Rule name:win_njrat_w1
Author:Brian Wallace @botnet_hunter <bwall@ballastsecurity.net>
Description:Identify njRat

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Comments